Base | Representation |
---|---|
bin | 101111100011011111… |
… | …0001100110111101110 |
3 | 100202121002101120121220 |
4 | 1133012332030313232 |
5 | 3133121321122342 |
6 | 114525302204210 |
7 | 10243455302463 |
oct | 1370676146756 |
9 | 322532346556 |
10 | 102122442222 |
11 | 3a345502389 |
12 | 17960723666 |
13 | 9826457508 |
14 | 4d2acad66a |
15 | 29ca7365ec |
hex | 17c6f8cdee |
102122442222 has 16 divisors (see below), whose sum is σ = 209765016912. Its totient is φ = 33120792000.
The previous prime is 102122442221. The next prime is 102122442229. The reversal of 102122442222 is 222244221201.
102122442222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 102122442192 and 102122442201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102122442221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230005279 + ... + 230005722.
It is an arithmetic number, because the mean of its divisors is an integer number (13110313557).
Almost surely, 2102122442222 is an apocalyptic number.
102122442222 is an abundant number, since it is smaller than the sum of its proper divisors (107642574690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102122442222 is a wasteful number, since it uses less digits than its factorization.
102122442222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460011043.
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 102122442222 its reverse (222244221201), we get a palindrome (324366663423).
The spelling of 102122442222 in words is "one hundred two billion, one hundred twenty-two million, four hundred forty-two thousand, two hundred twenty-two".
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